true blue

[ostap77]

What does it mean if some's true blue=solid guy?

 

[riquecohen]

What does it mean if someone's true blue?=solid guy?

Yes. Some synonyms: reliable, loyal, faithful.

 

[ostap77]

Yes. Some synonyms: reliable, loyal, faithful.

Is it common?

 

[riquecohen]

Is it common?

It sounds kind of old-fashioned to me; I wouldn´t say it´s commonly heard, but it isn´t rare either.

 

[BobK]

It sounds kind of old-fashioned to me; I wouldn´t say it´s commonly heard, but it isn´t rare either.

:?: Maybe it originally had something to with the belief that aristocrats had blue blood. People don't use the expression 'blue blood' much nowadays either; but one of the Lords in Iolanthe sings

Blue blood, blue blood.
Of what avail art thou
To serve us now -
Though dating from the Flood?
Blue blood, ah blue blood.
​

b

 

[birdeen's call]

True blue